Discover the robust and reliable Nova DAB7-63 series of Miniature Circuit Breakers (MCB), available in versatile configurations of 1P, 2P, 3P, and 4P, offering an impressive 10ka breaking capacity for enhanced electrical safety.
The innovative Dab7-63 miniature DC circuit breakers are meticulously engineered for optimal overload and short circuit protection, specifically for lines with a DC voltage of up to 250V and a rated current reaching 63A. These breakers are also designed for the efficient infrequent switching of power lines.
Our DC MCB circuit breaker is the perfect choice for applications across communication networks, photovoltaic systems, and other DC environments, ensuring superior circuit protection and reliability.
>>Products meet the following rigorous standards:
IEC 60948.2, IEC 60947-2, ensuring adherence to international safety and performance benchmarks.
Aligning with the EU RoHS environmental guidelines, our DC circuit breakers have successfully secured CCC certification and other prestigious endorsements, highlighting their eco-friendly design.
>>Application
The Dab7-63/1p DC circuit breaker is your go-to solution for safeguarding DC electrical circuits and equipment, offering reliable overload and short circuit protection within systems operating at DC voltages up to 250V and currents up to 63A.
In the realm of solar power generation, DC circuit breakers are invaluable, efficiently handling working voltages up to DC250V. They swiftly isolate fault currents in DC power distribution systems, playing a crucial role in protecting solar PV modules from reverse currents and AC feedback currents due to inverter failures, thereby ensuring dependable solar power system operation.
>>Model and Meaning
Dab7-63/1p miniature DC circuit breaker: Detailed specification parameters offering precision-engineered solutions for varied circuit protection needs.
DC circuit breaker DAB7-63/1p capable of handling 1A current at DC250V, designed for precise circuit protection.
DC circuit breaker DAB7-63/1p engineered for 2A currents at DC250V, ensuring reliable safety and performance.
DC circuit breaker DAB7-63/1p built to manage 3A currents at DC250V, providing consistent protection for electrical systems.
DC circuit breaker DAB7-63/1p tailored for 4A current ratings at DC250V, delivering dependable and safe operation.
DC circuit breaker DAB7-63/1p designed for handling 6A currents at DC250V, ensuring optimal circuit safeguarding.
DC circuit breaker DAB7-63/1p robustly crafted for 10A applications at DC250V, ensuring high-level protection and reliability.
DC circuit breaker DAB7-63/1P versatile for 16A currents at DC250V, offering enhanced safety for diverse applications.
DC circuit breaker DAB7-63/1p efficient in managing 20A currents at DC250V, designed for superior safety standards.
DC circuit breaker DAB7-63/1p proficient at handling 25A currents at DC250V, delivering exceptional safety features.
DC circuit breaker DAB7-63/1P adept for 32A currents at DC250V, providing high-grade protection for electrical circuits.
DC circuit breaker DAB7-63/1p optimized for 40A currents at DC250V, ensuring durable and efficient circuit protection.
DC circuit breaker DAB7-63/1p expertly manages 50A currents at DC250V, offering reliable safety solutions.
DC circuit breaker DAB7-63/1p capable of supporting 63A currents at DC250V, ensuring comprehensive protection for high-demand applications.
>>Dab7-63/1p DC circuit breaker working environment and installation conditions
Designed to operate seamlessly in ambient temperatures ranging from -35ºC to +70ºC, ensuring versatile performance in various climates.
Air relative humidity maintained at ≤95%, providing reliable operation in diverse environmental conditions.
Pollution level: Level 2, ensuring resilient performance even in moderately polluted settings.
>> Main parameters and technical performance of miniature DC circuit breaker
1. Rated current In options available: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, catering to a wide array of application needs.
2. Configurations: Case by pole options include 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V, providing flexible solutions for various system requirements.
3. Rated short circuit capacity: 6000A, ensuring robust protection against electrical faults.
4. Mechanical and Electrical Longevity
The mechanical endurance boasts an impressive lifespan of at least 20,000 cycles.
Offering an electrical lifespan of no less than 8,000 cycles, ensuring reliability.
>> DC Circuit Breaker Connection Methodology
Wiring Diagram Description:
1. Positive power and negative power connections must be precise.
2. L+ refers to the load's positive, while L- indicates the load's negative.
3. Strictly prohibit connecting both positive and negative power poles together.
4. Rated Voltage Specifications: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V
>> Features of Dab7-63 Small DC Circuit Breaker
1. Offers an exceptional breaking capacity, ensuring performance.
2. Provides dual wiring capabilities with both conductor and bus bar options.
3. Enables rapid closure and boasts a long-lasting lifecycle.
4. Allows for easy installation and removal, enhancing usability.
5. Includes a contact on/off indicator for heightened safety measures.
6. Emphasizes green technology, promoting environmental protection and energy efficiency.
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